201 Q) "Assertion (A) A table cloth can be pulled from a table without dislodging the dishes.
Reason (R) To every action there is always equal and opposite reaction."
(a)Both A and R are true and R is the correct explanation of A
(b)Both A and R are true but R is not the correct explanation of A
(c)A is true but R is false
(d)A is false but R is true
202 Q) Which one of the following forces lead to separation of the cream from the churned milk?.
(a)Gravitational force
(b)Cohesive force
(c)Centripetal force
(d)Centrifugal force
203 Q) In general what is the range of frequency of the "Message Signal"? .
(a)Radio frequency
(b) Audio frequency
(c) Both 'a' and 'b'
(d) Neither 'a' nor 'b'
204 Q) "If the radius of the Earth is made 1/4th, the duration of an year will become
"
(a) 8 times
(b) 4 times
(c) 1/8 times
(d) 1/4 times
205 Q) "Which one of the following matter form the core of transformer?
"
(a)Steel
(b)Soft iron
(c) Tin
(d)Aluminium
206 Q) "What enables us to write on the black board with chalk?.
"
(a) Gravity
(b) Cohesion
(cj Adhesion
(d) Viscosity
207 Q) "Who among the following received Nobel prize twice for the same subject?
"
(a) Mari Curie
(b)Frederic Jolit
(c) Frederic Sanger
(d) Stanley Cohen
208 Q) Which of the following device is fully duplex
(a) Mobile phone
(b) Walky-talky
(c) Loud Speaker
(d) Radio
209 Q) "Assertion (A) Steam is more harmful for human body than the boiling water in the case of burn.
Reason
(R) Boiling water contain more heat than steam."
(a)Both A and R are true and R is the correct explanation of A
(b)Both A and R are true but R is not the correct explanation of A
(c)A is true but R is false
(d)A is false but R is true
210 Q) Which of the following statements given below is correct in the respect of a geostationary satellite?.
(a)It moves in a plane containing the Greenwich meridian
(b)It moves in a plane perpendicular to the celestial equatorial plane
(c)Its height above the earth's surface is about the same as the radius of the earth
(d)Its height above the earth's surface is about the six times the radius of the earth
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